@font-face {
  font-family: "Mochiy";
  src: url("fonts/MochiyPopOne-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Raleway";
  src: url("fonts/Raleway-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Raleway";
  src: url("fonts/Raleway-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

:root {
  --red: #ef4774;
  --red-deep: #d92f61;
  --blush: #fff0f1;
  --rose: #f8a4af;
  --coral: #f26a4b;
  --orange: #f15a24;
  --plum: #202944;
  --ink: #242633;
  --paper: #fffafa;
  --blue: #ccecf1;
  --kv-pink: #feb2b6;
  --nav-height: 64px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Raleway", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 18px;
  line-height: 1.7;
}

html:lang(zh-CN) body {
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

.site-nav {
  position: fixed;
  z-index: 1000;
  inset: 0 0 auto;
  height: var(--nav-height);
  display: grid;
  grid-template-columns: minmax(170px, 1fr) auto minmax(128px, 1fr);
  align-items: center;
  gap: 20px;
  padding: 0 28px;
  background: #20232d;
  color: #fff;
  box-shadow: 0 2px 0 rgba(239, 71, 116, 0.5);
}

.brand {
  justify-self: start;
  font-family: "Mochiy", "Raleway", sans-serif;
  font-size: 15px;
  text-decoration: none;
  white-space: nowrap;
}

.brand span {
  color: #ff8f9f;
}

.nav-links {
  display: flex;
  align-items: stretch;
  height: 100%;
}

.nav-links a {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 86px;
  padding: 0 14px;
  color: #eee;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links a::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 0;
  left: 12px;
  height: 4px;
  background: transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: #2e3140;
}

.nav-links a.active::after {
  background: var(--orange);
}

.language-switcher {
  justify-self: end;
  display: flex;
  gap: 4px;
}

.language-switcher button {
  width: 48px;
  min-height: 36px;
  padding: 0;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: #bbb;
  cursor: pointer;
}

.language-switcher button:hover,
.language-switcher button.active {
  border-bottom-color: var(--orange);
  color: #fff;
}

main {
  width: min(100%, 1080px);
  margin: var(--nav-height) auto 0;
  overflow: clip;
  box-shadow: 0 0 36px rgba(32, 41, 68, 0.1);
}

.section {
  position: relative;
  min-height: 420px;
  padding: 132px 68px 104px;
}

.content {
  width: min(100%, 880px);
  margin: 0 auto;
}

.content.narrow {
  width: min(100%, 700px);
}

.center {
  text-align: center;
}

.section h1,
.section h2,
.section h3,
.section p {
  margin-top: 0;
}

.section h1,
.section h2 {
  font-family: "Mochiy", "Raleway", sans-serif;
  letter-spacing: 0;
}

.section h2 {
  margin-bottom: 32px;
  font-size: 38px;
  line-height: 1.35;
}

.section-kicker,
.eyebrow {
  margin-bottom: 12px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.lead {
  margin-bottom: 34px;
  font-size: 21px;
  line-height: 1.65;
}

.lead.dark {
  color: var(--plum);
}

.section-marker {
  position: absolute;
  z-index: 2;
  top: -74px;
  left: 50%;
  display: flex;
  width: 156px;
  height: 156px;
  transform: translateX(-50%);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  color: var(--plum);
}

.section-marker .fa-stack {
  height: 72px;
  width: 72px;
  font-size: 36px;
  line-height: 72px;
}

.section-marker .fa-circle {
  color: rgba(255, 255, 255, 0.28);
}

.section-marker .fa-stack-1x {
  color: var(--plum);
}

.section-marker > span:last-child {
  margin-top: 2px;
  font-size: 11px;
  font-weight: 700;
}

.hero-section {
  padding: 0;
  background: var(--paper);
  color: var(--ink);
}

.hero-kv {
  position: relative;
  overflow: hidden;
  padding: 44px 32px 54px;
  background: var(--kv-pink);
}

.hero-image {
  display: block;
  width: min(100%, 760px);
  height: auto;
  margin: 32px auto 0;
  box-shadow: 0 14px 30px rgba(32, 41, 68, 0.14);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.hero-image:hover {
  box-shadow: 0 24px 46px rgba(32, 41, 68, 0.25);
  transform: translateY(-8px) scale(1.012);
}

.ticket-strip {
  padding: 34px 68px;
  background: var(--red-deep);
  color: #fff;
}

.ticket-strip-content {
  display: grid;
  width: min(100%, 880px);
  margin: 0 auto;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 44px;
}

.ticket-strip-copy p,
.ticket-strip-copy h2 {
  margin: 0;
}

.ticket-strip-copy .ticket-kicker {
  margin-bottom: 4px;
  color: #ffd7de;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.ticket-strip-copy h2 {
  color: #fff;
  font-family: "Raleway", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 29px;
  line-height: 1.35;
}

.ticket-strip-copy > p:last-child {
  margin-top: 5px;
  color: #fff5f6;
  font-size: 16px;
  line-height: 1.5;
}

.ticket-button {
  display: inline-flex;
  min-width: 230px;
  min-height: 58px;
  padding: 12px 26px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 245, 247, 0.9);
  backdrop-filter: blur(16px) saturate(145%);
  box-shadow: 0 10px 28px rgba(103, 20, 52, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.95);
  color: var(--plum);
  cursor: pointer;
  font-size: 18px;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease, border-color 160ms ease;
  -webkit-backdrop-filter: blur(16px) saturate(145%);
}

.ticket-button i {
  display: inline-grid;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  place-items: center;
  background: rgba(217, 47, 97, 0.12);
  color: var(--red-deep);
  font-size: 14px;
}

.ticket-button:hover,
.ticket-button:focus-visible {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 14px 32px rgba(103, 20, 52, 0.26), inset 0 1px 0 #fff;
  transform: translateY(-2px) scale(1.015);
}

.ticket-button:active {
  box-shadow: 0 6px 18px rgba(103, 20, 52, 0.2), inset 0 1px 0 #fff;
  transform: translateY(0) scale(0.99);
}

.ticket-button:focus-visible,
.ticket-dialog-close:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.ticket-dialog {
  width: min(calc(100% - 32px), 440px);
  max-height: calc(100vh - 40px);
  padding: 36px 34px 30px;
  border: 0;
  border-radius: 8px;
  background: var(--paper);
  color: var(--plum);
  box-shadow: 0 24px 70px rgba(32, 41, 68, 0.36);
  text-align: center;
}

.ticket-dialog::backdrop {
  background: rgba(32, 35, 45, 0.72);
}

.ticket-dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  place-items: center;
  background: var(--blush);
  color: var(--plum);
  cursor: pointer;
}

.ticket-dialog-kicker {
  margin: 0 36px 5px;
  color: var(--red-deep);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.ticket-dialog h2 {
  margin: 0 24px 20px;
  color: var(--plum);
  font-family: "Raleway", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 26px;
  line-height: 1.35;
}

.ticket-dialog img {
  display: block;
  width: min(100%, 330px);
  height: auto;
  margin: 0 auto;
  border: 1px solid rgba(32, 41, 68, 0.12);
}

.ticket-dialog-note {
  margin: 18px 0 0;
  color: #555a6c;
  font-size: 14px;
  line-height: 1.55;
}

body.ticket-dialog-open {
  overflow: hidden;
}

.hero-kv-meta {
  display: flex;
  align-items: center;
  color: var(--plum);
  flex-direction: column;
  line-height: 1.3;
  text-align: center;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.42);
}

.hero-kv-meta::before {
  width: 46px;
  height: 5px;
  margin-bottom: 13px;
  background: var(--orange);
  content: "";
}

.hero-kv-meta span {
  margin-bottom: 12px;
  color: var(--red-deep);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-kv-meta strong {
  margin-bottom: 8px;
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 30px;
  font-weight: 600;
}

.hero-kv-meta time {
  font-family: "Mochiy", "Raleway", sans-serif;
  font-size: 25px;
  font-style: normal;
  font-weight: 700;
}

.hero-content {
  padding-top: 50px;
  padding-bottom: 52px;
}

.hero-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: start;
}

.hero-section h1 {
  max-width: none;
  margin-bottom: 24px;
  color: var(--plum);
  font-size: 38px;
  line-height: 1.35;
}

.hero-section .eyebrow {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-left: 4px solid var(--coral);
  background: var(--blush);
  color: var(--plum);
  font-size: 19px;
  line-height: 1.35;
}

.hero-copy-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 44px;
}

.hero-copy {
  max-width: none;
  margin: 0;
  color: #4d5060;
  font-size: 17px;
  line-height: 1.8;
}

.hero-copy > strong {
  color: var(--plum);
  font-weight: 700;
}

.hero-copy-lead,
.hero-contact {
  grid-column: 1 / -1;
}

.hero-copy-lead {
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(32, 41, 68, 0.14);
  color: var(--plum);
  font-size: 20px;
  line-height: 1.75;
}

.hero-contact {
  padding: 15px 18px;
  border-left: 4px solid var(--red);
  background: var(--blush);
  color: var(--plum);
}

.hero-contact a {
  color: var(--red-deep);
  font-weight: 700;
}

.map-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border: 2px solid transparent;
  border-radius: 5px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-light {
  background: #fff;
  color: var(--red-deep);
}

.button-outline {
  border-color: #fff;
  color: #fff;
}

.button-dark {
  background: var(--plum);
  color: #fff;
}

.dates-section {
  padding: 118px 40px 86px;
  background: var(--blush);
  color: var(--plum);
}

.dates-section .content {
  width: min(100%, 1000px);
}

.dates-section .section-kicker {
  display: inline-flex;
  min-height: 34px;
  margin-bottom: 14px;
  padding: 5px 14px;
  align-items: center;
  border-radius: 3px;
  background: var(--orange);
  color: #fff;
  font-size: 16px;
}

.dates-section h2 {
  margin-bottom: 30px;
  font-size: 40px;
}

.date-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  text-align: left;
}

.date-list article {
  display: flex;
  min-height: 260px;
  padding: 26px 18px 22px;
  border-top: 5px solid var(--orange);
  background: rgba(255, 255, 255, 0.78);
  flex-direction: column;
}

.date-list article:last-child {
  border-bottom: 0;
}

.date-list h3 {
  margin-bottom: 14px;
  font-size: 19px;
  line-height: 1.4;
  white-space: nowrap;
}

.date-list p {
  margin-bottom: 0;
  font-size: 21px;
  line-height: 1.45;
  white-space: nowrap;
}

html:lang(en) .date-list h3 {
  font-size: 17px;
}

.proposal-link {
  display: inline-flex;
  min-height: 46px;
  margin-top: auto;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  border: 2px solid var(--red-deep);
  border-radius: 5px;
  background: var(--red-deep);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
}

.proposal-link:hover {
  background: transparent;
  color: var(--red-deep);
}

.partners-section {
  min-height: 0;
  padding-top: 108px;
  padding-bottom: 78px;
  background: var(--blush);
  color: var(--plum);
}

.partners-section .content.narrow {
  width: min(100%, 1080px);
}

.sponsors-showcase {
  margin-bottom: 64px;
}

.sponsors-showcase > .lang-zh > h2,
.sponsors-showcase > .lang-en > h2 {
  margin-bottom: 12px;
}

.sponsors-intro {
  max-width: 700px;
  margin: 0 auto;
  color: #566078;
  font-size: 17px;
  line-height: 1.7;
}

.sponsor-tier {
  margin-top: 48px;
}

.sponsor-tier-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--plum);
  text-align: left;
}

.sponsor-tier-heading h3 {
  margin: 0;
  padding: 12px 0 10px;
  color: var(--plum);
  font-size: 22px;
  line-height: 1.2;
}

.sponsor-tier-index {
  align-self: stretch;
  min-width: 62px;
  padding: 12px 16px;
  background: var(--plum);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
}

.sponsor-tier-platinum .sponsor-tier-heading {
  border-bottom-color: #59677f;
}

.sponsor-tier-platinum .sponsor-tier-heading h3 {
  font-size: 24px;
}

.sponsor-tier-platinum .sponsor-tier-index {
  min-width: 68px;
  background: #59677f;
  font-size: 16px;
}

.sponsor-tier-gold .sponsor-tier-heading {
  border-bottom-color: #c08b2b;
}

.sponsor-tier-gold .sponsor-tier-heading h3 {
  font-size: 22px;
}

.sponsor-tier-gold .sponsor-tier-index {
  background: #c08b2b;
}

.sponsor-tier-silver .sponsor-tier-heading {
  border-bottom-color: #8c98aa;
}

.sponsor-tier-silver .sponsor-tier-heading h3 {
  font-size: 20px;
}

.sponsor-tier-silver .sponsor-tier-index {
  min-width: 58px;
  background: #8c98aa;
  font-size: 14px;
}

.sponsor-grid {
  display: grid;
  gap: 16px;
}

.sponsor-grid-platinum {
  max-width: 520px;
  margin: 0 auto;
  grid-template-columns: 1fr;
}

.sponsor-grid-gold {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sponsor-grid-silver {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sponsor-logo-card {
  display: flex;
  min-width: 0;
  height: 156px;
  padding: 24px;
  border: 1px solid rgba(32, 41, 68, 0.14);
  border-radius: 6px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 20px rgba(32, 41, 68, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.sponsor-logo-card:hover,
.sponsor-logo-card:focus-visible {
  border-color: var(--red-deep);
  box-shadow: 0 14px 28px rgba(32, 41, 68, 0.15);
  transform: translateY(-3px);
}

.sponsor-logo-card:focus-visible {
  outline: 3px solid rgba(217, 47, 97, 0.28);
  outline-offset: 3px;
}

.sponsor-logo-card img {
  width: auto;
  max-width: 88%;
  height: auto;
  max-height: 74%;
  object-fit: contain;
}

.sponsor-logo-card img.sponsor-logo-tall {
  max-height: 100%;
}

.sponsor-logo-card img.sponsor-logo-large {
  width: 100%;
  max-width: 100%;
  max-height: none;
}

.sponsor-logo-card-tight {
  padding: 14px;
}

.sponsor-logo-card img.sponsor-logo-stacked {
  width: auto;
  max-width: 94%;
  max-height: 100%;
}

.sponsor-logo-card-dark {
  border-color: #202944;
  background: #202944;
}

.sponsor-grid-platinum .sponsor-logo-card {
  height: 210px;
  padding: 34px 44px;
  border-width: 2px;
}

.sponsor-grid-platinum .sponsor-logo-card img {
  max-width: 92%;
  max-height: 82%;
}

.sponsor-grid-silver .sponsor-logo-card {
  height: 132px;
  padding: 20px;
}

.sponsor-grid-silver .sponsor-logo-card img {
  max-width: 82%;
  max-height: 68%;
}

.sponsor-grid-silver .sponsor-logo-card img.sponsor-logo-tall {
  max-height: 82%;
}

.sponsor-grid-silver .sponsor-logo-card img.sponsor-logo-wide {
  width: 100%;
  max-width: 100%;
  max-height: 86%;
}

.sponsor-grid-silver .sponsor-logo-card img.sponsor-logo-sharpa {
  width: 100%;
  max-width: none;
  max-height: none;
  transform: scale(1.3);
}

.sponsor-panel {
  padding: 48px 60px 44px;
  border-radius: 8px;
  background-color: #fff7f8;
  background-image: url("img/sponsors-space-background-light.png");
  background-position: center 58%;
  background-size: cover;
  color: var(--plum);
  box-shadow: 0 16px 36px rgba(32, 41, 68, 0.18);
}

.partners-section .section-kicker {
  margin-bottom: 10px;
  color: #ff9a72;
  font-size: 16px;
}

.partners-section h2 {
  margin-bottom: 20px;
  color: var(--plum);
  font-size: 40px;
}

.partners-section .sponsor-copy {
  max-width: 880px;
  margin: 0 auto 26px;
  font-size: 20px;
  line-height: 1.7;
}

.partners-section .button-dark {
  min-height: 52px;
  min-width: 260px;
  background: var(--red-deep);
  box-shadow: 0 10px 24px rgba(217, 47, 97, 0.3);
  font-size: 18px;
}

.partners-section p.sponsor-note {
  max-width: 940px;
  margin: 28px auto 0;
  font-size: 16px;
  line-height: 1.75;
  text-align: left;
}

.attend-section {
  background: var(--plum);
  color: #fff;
}

.venue-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 34px 0;
  background: transparent;
}

.venue-facts div {
  display: flex;
  min-height: 138px;
  padding: 22px 18px;
  border-radius: 4px;
  background: #2b3554;
  flex-direction: column;
  justify-content: center;
}

.venue-facts strong {
  display: inline-flex;
  min-height: 34px;
  margin-bottom: 12px;
  padding: 5px 10px;
  align-self: flex-start;
  align-items: center;
  border-radius: 3px;
  background: var(--rose);
  color: var(--plum);
  font-family: "Mochiy", "Raleway", sans-serif;
  font-size: 15px;
  line-height: 1.35;
}

.venue-facts div:nth-child(2) strong {
  background: var(--blue);
}

.venue-facts div:nth-child(3) strong {
  background: #ffb486;
}

.venue-facts span {
  font-size: 15px;
  line-height: 1.55;
}

.travel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 56px;
}

.travel-grid article {
  min-height: 230px;
  padding: 28px;
  border: 1px solid rgba(255, 178, 182, 0.68);
  background: #2b3554;
}

.travel-grid h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.travel-grid p {
  margin-bottom: 0;
  font-size: 16px;
}

.travel-icon {
  display: block;
  margin-bottom: 18px;
  color: #ff8a63;
  font-size: 31px;
}

.entrance-note {
  margin-top: 28px;
  padding: 22px 26px;
  border-left: 5px solid var(--orange);
  background: rgba(255, 255, 255, 0.08);
}

.embedded-map-block {
  margin-top: 64px;
  text-align: center;
}

.embedded-map-block h3,
.event-video-block h3 {
  margin-bottom: 6px;
  font-family: "Mochiy", "Raleway", sans-serif;
  font-size: 25px;
}

.embedded-map-block > .lang-zh > p,
.embedded-map-block > .lang-en > p,
.event-video-block > .lang-zh > p,
.event-video-block > .lang-en > p {
  margin-bottom: 24px;
}

#amap-container {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  border: 6px solid rgba(255, 178, 182, 0.82);
  background: #f9d7d8;
  color: var(--plum);
}

.map-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.map-external-link {
  margin-top: 20px;
  border: 1px solid rgba(255, 255, 255, 0.72);
}

.themes-section {
  background: var(--rose);
  color: var(--plum);
}

.agenda-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.agenda-section .agenda-heading h2 {
  font-family: inherit;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}

.agenda-title-label {
  margin-left: 10px;
}

.agenda-meta {
  margin: 0;
  font-size: 16px;
}

.agenda-source {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 9px 0;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.agenda-source:hover {
  color: var(--red-deep);
}

.agenda-tabs {
  position: sticky;
  top: var(--nav-height);
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 8px 0 0;
  background: var(--rose);
  border-bottom: 2px solid var(--plum);
}

.agenda-tabs button {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 2px 12px;
  min-width: 0;
  padding: 18px 24px;
  border: 0;
  border-radius: 4px 4px 0 0;
  background: transparent;
  color: var(--plum);
  cursor: pointer;
  text-align: left;
  transition: background-color 160ms ease, color 160ms ease;
}

.agenda-tabs button:hover {
  background: rgba(255, 255, 255, 0.45);
}

.agenda-tabs button[aria-selected="true"] {
  background: var(--plum);
  color: #fff;
}

.agenda-tabs button:focus-visible,
.agenda-source:focus-visible {
  outline: 3px solid var(--red-deep);
  outline-offset: 4px;
}

.agenda-tab-date {
  grid-row: span 2;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.agenda-tab-weekday {
  font-size: 15px;
  font-weight: 700;
}

.agenda-tab-number {
  font-size: 11px;
}

.agenda-day {
  margin-bottom: 24px;
  outline-offset: 6px;
}

.agenda-day-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 24px 0 18px;
}

.agenda-day-heading h3 {
  margin: 0;
  font-size: 21px;
}

.agenda-day-heading p {
  margin: 0;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.agenda-timezone {
  font-size: 12px;
}

.agenda-list {
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--paper);
  border-top: 3px solid var(--red-deep);
}

.agenda-row {
  position: relative;
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 24px;
  padding: 21px 26px;
  border-bottom: 1px solid rgba(32, 41, 68, 0.13);
}

.agenda-time {
  align-self: center;
  white-space: nowrap;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.agenda-kind {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 3px 9px;
  margin: 0 0 9px;
  border: 1px solid rgba(217, 47, 97, 0.22);
  border-radius: 4px;
  background: var(--blush);
  color: #ad2451;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
}

.agenda-kind-keynote {
  background: var(--plum);
  border-color: var(--plum);
  color: #fff;
}

.agenda-kind-lightning {
  background: #fff0e9;
  border-color: rgba(241, 90, 36, 0.3);
  color: #98390f;
}

.agenda-kind-remarks, .agenda-kind-event {
  background: #e9edf6;
  border-color: rgba(32, 41, 68, 0.18);
  color: var(--plum);
}

.agenda-detail {
  min-width: 0;
}

.agenda-detail h4 {
  margin: 0;
  color: var(--plum);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.55;
  white-space: nowrap;
  overflow-wrap: normal;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(32, 41, 68, 0.3) transparent;
}

.agenda-detail h4:focus-visible {
  outline: 2px solid var(--red-deep);
  outline-offset: 3px;
}

.agenda-speaker,
.agenda-subtitle {
  margin: 7px 0 0;
  color: #55586a;
  font-size: 14px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.agenda-speaker-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--plum);
}

.agenda-row-break {
  align-items: center;
  padding-top: 15px;
  padding-bottom: 15px;
  background: var(--blush);
}

.agenda-row-break h4 {
  font-size: 16px;
}

@media (max-width: 700px) {
  .agenda-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
  }
  .agenda-section .agenda-heading h2 {
    font-size: 27px;
    line-height: 1.4;
  }
  .agenda-title-name, .agenda-title-label {
    display: block;
    margin-left: 0;
  }
  .agenda-meta { font-size: 14px; }
  .agenda-tabs button {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 14px 10px;
    text-align: center;
  }
  .agenda-tab-date { grid-row: auto; font-size: 24px; }
  .agenda-tab-weekday { font-size: 13px; }
  .agenda-tab-number { display: none; }
  .agenda-day-heading { flex-direction: column; gap: 4px; }
  .agenda-day-heading h3 { font-size: 19px; }
  .agenda-row { grid-template-columns: 112px minmax(0, 1fr); gap: 12px; padding: 18px 14px; }
  .agenda-time { font-size: 14px; }
  .agenda-kind { max-width: 100%; padding: 3px 7px; font-size: 11px; }
  .agenda-detail h4 { font-size: 16px; }
  .agenda-speaker, .agenda-subtitle { font-size: 13px; }
  .agenda-speaker-name { font-size: 17px; }
  .agenda-row-break { padding: 16px 14px; }
  .agenda-row-break .agenda-time { font-size: 13px; }
}

@media print {
  .agenda-tabs, .agenda-source { display: none !important; }
  .agenda-day[hidden] { display: block !important; }
  .agenda-row { break-inside: avoid; }
}

.theme-groups {
  display: grid;
  gap: 38px;
}

.theme-group {
  padding: 0;
}

.theme-group h3 {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  margin-bottom: 0;
  align-items: center;
  border-bottom: 3px solid var(--plum);
  font-family: "Raleway", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 20px;
}

.theme-group h3 span {
  display: inline-flex;
  min-height: 46px;
  padding: 8px 14px;
  align-items: center;
  background: var(--plum);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.theme-group h3 b {
  font-weight: 600;
}

.theme-group h3 small {
  color: var(--red-deep);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.theme-group ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
}

.theme-group li {
  position: relative;
  z-index: 0;
  min-height: 154px;
  padding: 18px 18px 16px;
  border: 1px solid rgba(32, 41, 68, 0.18);
  border-left: 4px solid var(--orange);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 2px 0 rgba(32, 41, 68, 0.08);
  font-size: 16px;
  line-height: 1.55;
  white-space: nowrap;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

html:lang(en) .theme-group li {
  font-size: 15px;
}

.theme-group li:hover {
  z-index: 1;
  border-color: rgba(32, 41, 68, 0.34);
  border-left-color: var(--orange);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 24px rgba(32, 41, 68, 0.18);
  transform: translateY(-6px) scale(1.025);
}

.theme-group li p {
  margin: 9px 0 0;
  color: #4f5264;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  white-space: normal;
}

.theme-group .topic-title {
  color: var(--red-deep);
  font-weight: 700;
}

.archive-section {
  background: var(--paper);
  color: var(--plum);
}

.archive-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.archive-links a {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  padding: 8px 18px;
  border: 2px solid var(--plum);
  border-radius: 5px;
  font-weight: 700;
  text-decoration: none;
}

.archive-links a:hover {
  background: var(--plum);
  color: #fff;
}

.event-video-block {
  margin-bottom: 64px;
}

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 6px solid var(--rose);
  background: #20232d;
}

.video-frame iframe,
.video-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: #20232d;
  object-fit: contain;
}

.venue-map-marker {
  width: 38px;
  height: 44px;
  color: var(--orange);
  font-size: 42px;
  line-height: 42px;
  text-align: center;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.28);
}

html:lang(zh-CN) .section h1,
html:lang(zh-CN) .section h2,
html:lang(zh-CN) .section h3,
html:lang(zh-CN) .hero-meta,
html:lang(zh-CN) .venue-facts strong,
html:lang(zh-CN) .theme-group h3,
html:lang(zh-CN) .embedded-map-block h3,
html:lang(zh-CN) .event-video-block h3 {
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
  font-weight: 600;
  line-height: 1.45;
}

html:lang(zh-CN) .hero-section h1 {
  font-size: 38px;
}

html:lang(zh-CN) .section h2 {
  font-size: 33px;
}

html:lang(zh-CN) .dates-section h2,
html:lang(zh-CN) .partners-section h2 {
  font-size: 38px;
}

html:lang(zh-CN) .venue-facts strong {
  font-size: 17px;
}

html:lang(zh-CN) strong,
html:lang(zh-CN) .nav-links a,
html:lang(zh-CN) .button,
html:lang(zh-CN) .proposal-link {
  font-weight: 600;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.social-grid figure {
  margin: 0;
  text-align: center;
}

.social-grid img {
  display: block;
  width: min(100%, 160px);
  aspect-ratio: 1;
  margin: 0 auto 10px;
  object-fit: cover;
  background: #fff;
  border: 6px solid #fff;
}

.social-grid figcaption {
  font-size: 15px;
  font-weight: 700;
}

footer {
  padding: 30px 24px;
  background: #20232d;
  color: #eee;
  text-align: center;
}

footer p {
  margin: 0;
}

footer a {
  color: #ff99aa;
}

@media (max-width: 960px) {
  .site-nav {
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 0 14px;
  }

  .brand {
    display: none;
  }

  .nav-links {
    min-width: 0;
    overflow-x: auto;
  }

  .nav-links a {
    min-width: 74px;
    padding: 0 10px;
    font-size: 13px;
  }

  .section {
    padding-right: 42px;
    padding-left: 42px;
  }

  .hero-section {
    padding-right: 0;
    padding-left: 0;
  }

  .hero-content {
    width: min(calc(100% - 84px), 880px);
  }

  .sponsor-panel {
    padding-right: 42px;
    padding-left: 42px;
  }

  .sponsor-grid-gold,
  .sponsor-grid-silver {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  :root {
    --nav-height: 58px;
  }

  body {
    font-size: 16px;
  }

  .site-nav {
    padding: 0 8px 0 0;
  }

  .nav-links a {
    min-width: 64px;
    padding: 0 8px;
    font-size: 12px;
  }

  .nav-links a:nth-child(3),
  .nav-links a:nth-child(6) {
    display: none;
  }

  .language-switcher button {
    width: 40px;
    font-size: 13px;
  }

  .section {
    min-height: 340px;
    padding: 112px 22px 76px;
  }

  .hero-section {
    padding: 0;
  }

  .hero-kv {
    padding: 26px 18px 30px;
  }

  .ticket-strip {
    padding: 26px 22px 28px;
  }

  .ticket-strip-content {
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: center;
  }

  .ticket-strip-copy h2 {
    font-size: 23px;
  }

  .ticket-button {
    width: min(100%, 300px);
    margin: 0 auto;
  }

  .ticket-dialog {
    padding: 34px 20px 24px;
  }

  .ticket-dialog h2 {
    font-size: 22px;
  }

  .hero-kv-meta {
    position: static;
    padding: 0;
    align-items: center;
    background: transparent;
    color: var(--plum);
    flex-direction: column;
    gap: 0;
    justify-content: center;
    text-align: center;
  }

  .hero-kv-meta::before {
    display: none;
  }

  .hero-kv-meta span {
    margin-bottom: 8px;
    font-size: 12px;
  }

  .hero-kv-meta strong {
    font-family: "Raleway", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 22px;
  }

  .hero-kv-meta time {
    font-family: "Raleway", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 17px;
  }

  .hero-image {
    margin-top: 22px;
  }

  .hero-content {
    width: 100%;
    padding: 34px 22px 54px;
  }

  .hero-summary {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .hero-copy-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero-copy-lead,
  .hero-contact {
    grid-column: auto;
  }

  .hero-section .eyebrow {
    font-size: 16px;
  }

  .hero-section h1 {
    font-size: 30px;
  }

  html:lang(zh-CN) .hero-section h1 {
    font-size: 29px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .section h2 {
    font-size: 29px;
  }

  html:lang(zh-CN) .section h2 {
    font-size: 28px;
  }

  .lead,
  .partners-section .sponsor-copy {
    font-size: 18px;
  }

  .section-marker {
    top: -58px;
    width: 122px;
    height: 122px;
  }

  .section-marker .fa-stack {
    height: 60px;
    width: 60px;
    font-size: 30px;
    line-height: 60px;
  }

  .date-list {
    grid-template-columns: 1fr;
  }

  .date-list article {
    min-height: 0;
  }

  .date-list h3,
  .date-list p {
    white-space: normal;
  }

  .date-list p {
    font-size: 20px;
  }

  .date-list .proposal-link {
    margin-top: 20px;
  }

  .partners-section {
    padding-top: 96px;
    padding-bottom: 64px;
  }

  .sponsors-showcase {
    margin-bottom: 48px;
  }

  .sponsors-intro {
    font-size: 15px;
  }

  .sponsor-tier {
    margin-top: 38px;
  }

  .sponsor-tier-heading {
    gap: 10px;
    margin-bottom: 14px;
  }

  .sponsor-tier-heading h3 {
    padding: 10px 0 8px;
    font-size: 19px;
  }

  .sponsor-tier-platinum .sponsor-tier-heading h3 {
    font-size: 21px;
  }

  .sponsor-tier-gold .sponsor-tier-heading h3 {
    font-size: 20px;
  }

  .sponsor-tier-silver .sponsor-tier-heading h3 {
    font-size: 18px;
  }

  .sponsor-tier-index {
    min-width: 54px;
    padding: 10px 12px;
    font-size: 13px;
  }

  .sponsor-tier-platinum .sponsor-tier-index {
    min-width: 62px;
    font-size: 15px;
  }

  .sponsor-tier-gold .sponsor-tier-index {
    min-width: 56px;
    font-size: 14px;
  }

  .sponsor-tier-silver .sponsor-tier-index {
    min-width: 50px;
    font-size: 12px;
  }

  .sponsor-grid-gold,
  .sponsor-grid-silver {
    grid-template-columns: 1fr;
  }

  .sponsor-logo-card,
  .sponsor-grid-gold .sponsor-logo-card {
    height: 136px;
    padding: 20px;
  }

  .sponsor-grid-silver .sponsor-logo-card {
    height: 112px;
    padding: 18px;
  }

  .sponsor-grid-platinum .sponsor-logo-card {
    height: 164px;
    padding: 28px;
  }

  .sponsor-panel {
    padding: 38px 20px 34px;
    background-position: center bottom;
  }

  .partners-section .button-dark {
    min-width: min(260px, 100%);
  }

  .partners-section p.sponsor-note {
    margin-top: 22px;
    font-size: 14px;
  }

  .venue-facts,
  .travel-grid,
  .social-grid {
    grid-template-columns: 1fr;
  }

  .venue-facts div,
  .travel-grid article {
    min-height: 0;
  }

  .theme-group {
    padding: 0;
  }

  .theme-group h3 {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 4px 10px;
  }

  .theme-group h3 span {
    grid-row: 1 / 3;
  }

  .theme-group h3 small {
    grid-column: 2;
  }

  .theme-group ol {
    grid-template-columns: 1fr;
  }

  .theme-group li {
    min-height: 0;
    white-space: normal;
  }

  #amap-container {
    height: 420px;
  }

  .social-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }

  .ticket-button {
    transition: none;
  }

  .ticket-button:hover {
    transform: none;
  }

  .hero-image {
    transition: none;
  }

  .hero-image:hover {
    transform: none;
  }

  .theme-group li {
    transition: none;
  }

  .theme-group li:hover {
    transform: none;
  }
}